import sun.dc.pr.PRError;

import javax.jnlp.ClipboardService;
import javax.net.ssl.SSLContext;
import java.util.LinkedList;
import java.util.List;
import java.util.Set;

public class u1_test {

    public int a(int a){
        a++;
        return a;
    }
}

class Base{
    Base(int i){
        System.out.println("Base");
    }
}

class Son{
    public static void main(String[] args) {
    }
}